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  • 1 Projects and Development India Ltd. 929122 Sindri India
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The thermal decomposition behaviour of copper oxalate hemihydrate and its complexes with different amines has been studied by TG and DTA methods in nitrogen and air atmospheres. The complexes CuC2O4 · 0.5 H2O, CuC2O4(NH3)2 and CuC2O4(py) produced Cu2O as final residue after decomposition, whereas, another group of complexes, CuC2O4(EtNH2)2, CuC2O4(MeNH2)2, CuC2O4(en)2 and CuC2O4(An)2, gave a final residue of CuO. All the complexes decomposed without forming any isolable stable intermediate; an exception was CuC2O4(en)2, which formed a binuclear intermediate complex, [CuC2O4en]2.

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